Home / 203,426-314,724

Finding the Third Proportional to 203,426 and 314,724

Calculator

Solution

The third proportional to 203,426 and 314,724 is: 486,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,426 : 314,724 = 314,724 : x
  2. Step 2: Convert to fraction form
    203,426/314,724 = 314,724/x
  3. Step 3: Cross multiply
    203,426x = 314,724 × 314,724
  4. Step 4: Simplify right side
    203,426x = 99,051,196,176
  5. Step 5: Solve for x
    x = 99,051,196,176/203,426
  6. Step 6: Final answer
    x = 486,915.12

Related Problems

Find third proportional to 101,713 and 157,362
Half scale
Find third proportional to 406,852 and 629,448
Double scale
Find third proportional to 203,428 and 314,727
Similar ratio
Find third proportional to 305,139 and 472,086
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.